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3D face recognition based on RGB-D data: a  survey 基于 RGB-D 数据的 3D 人脸识别:一项调查
Junhao Liu
Face recognition, as a convenient, natural, and widely applied emerging technology, has achieved many significant research results in recent years. 2D face recognition has drawn extensive studies, while previously,2D face recognition is too sensitive to variations in features like facial expressions. To avoid the shortcoming, more attention was paid to the optimization of algorithms, stronger computational capabilities, and fusion strategies, which contributed greatly to the accuracy of face recognition and made it more outstanding. Compared to existing methods, RGB-D images tend to be more robust and reliable. Based on different processing methods of RGB-D 3D face data, researchers have proposed numerous 3D face recognition methods, such as 3D reconstruction methods from monocular RGB-D images, methods based on point cloud data, and methods based on image depth map data. This paper focuses mainly on the image depth map data method, analyzing its rich development history and its unique advantages and disadvantages in RGB-D 3D face recognition. Additionally, we introduced some common RGB-D face datasets, analyzing data collection methods.
人脸识别作为一种便捷、自然、应用广泛的新兴技术,近年来取得了许多重大研究成果。二维人脸识别引起了广泛的研究,而以前的二维人脸识别对面部表情等特征的变化过于敏感。为了避免这一缺陷,人们更加关注算法的优化、更强的计算能力和融合策略,这极大地提高了人脸识别的准确性,使其更加出色。与现有方法相比,RGB-D 图像往往更加稳健可靠。根据 RGB-D 三维人脸数据的不同处理方法,研究人员提出了许多三维人脸识别方法,如单目 RGB-D 图像的三维重建方法、基于点云数据的方法和基于图像深度图数据的方法。本文主要关注图像深度图数据方法,分析其丰富的发展历程及其在 RGB-D 3D 人脸识别中的独特优缺点。此外,我们还介绍了一些常见的 RGB-D 人脸数据集,分析了数据收集方法。
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引用次数: 0
Exploring the Application of Machine Learning to Cancer Prediction 探索机器学习在癌症预测中的应用
Xianwen Jiang
This paper explores the wide range of applications of machine learning techniques in the field of cancer, with a particular focus on their specific use in the diagnosis and classification of important cancer types such as lung, oral and breast cancer. The paper concludes that machine learning algorithms can assist physicians in detecting cancerous lesions earlier and improve the accuracy of diagnosis. In addition, the paper explores the importance of machine learning in the early detection and treatment of cancer and its potential for collaboration with clinicians. In the future, collaborations across datasets and across healthcare institutions will drive further development of machine learning algorithms, providing more possibilities for personalized medical diagnosis and treatment plans to maximize patient survival and quality of life. The research in this paper can give relevant readers with insight into the potential and application of machine learning in the field of cancer, as well as its important role in improving the efficiency and quality of healthcare services.
本文探讨了机器学习技术在癌症领域的广泛应用,尤其关注其在肺癌、口腔癌和乳腺癌等重要癌症类型的诊断和分类中的具体应用。论文认为,机器学习算法可以帮助医生更早地发现癌症病灶,提高诊断的准确性。此外,论文还探讨了机器学习在癌症早期检测和治疗中的重要性及其与临床医生合作的潜力。未来,跨数据集和跨医疗机构的合作将推动机器学习算法的进一步发展,为个性化医疗诊断和治疗方案提供更多可能性,从而最大限度地提高患者的生存率和生活质量。本文的研究可以让相关读者深入了解机器学习在癌症领域的潜力和应用,以及它在提高医疗服务效率和质量方面的重要作用。
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引用次数: 0
GSK3: The Shared Target of Circadian Rhythm and Lithium Treatment in Bipolar Disorder GSK3:双相情感障碍中昼夜节律和锂治疗的共同靶点
Puyuan Ge
Bipolar disorder is a severe emotional disorder that causes significant damage to patients’ cognitive functions. Although the clinical manifestations of bipolar disorder are clear, its pathophysiological mechanisms are currently not well understood. The theme of this review is to explore the pathophysiological mechanisms of bipolar disorder. Starting from the lithium treatment mechanism, the author identified an important target - GSK-3, by reviewing previous literature. Research has shown that GSK-3 plays a crucial role in the bipolar disorder. This review provides an introduction to GSK-3 and its probable mechanisms that contribute to bipolar disease. It also examines the role of GSK-3 in bipolar disorder from both the standpoint of how it develops and how it might be treated. By studying GSK-3, we can augment our comprehension of bipolar disorder and further delve into our grasp of this condition.
躁郁症是一种严重的情感障碍,会对患者的认知功能造成重大损害。尽管躁郁症的临床表现十分明确,但其病理生理机制目前尚不十分清楚。本综述的主题是探讨躁郁症的病理生理机制。作者从锂治疗机制入手,通过查阅以往文献,确定了一个重要靶点--GSK-3。研究表明,GSK-3在躁狂症中起着至关重要的作用。本综述介绍了 GSK-3 及其导致躁郁症的可能机制。它还从躁狂症如何发展和如何治疗的角度,探讨了 GSK-3 在躁狂症中的作用。通过研究 GSK-3,我们可以加深对躁狂症的理解,进一步深入掌握这种疾病。
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引用次数: 0
Application Progress and Research Status of graphene materials in wearable sensors 石墨烯材料在可穿戴传感器中的应用进展与研究现状
Sikun Chai
In this paper, the application status of graphene materials in wearable sensors was studied. Due to the excellent properties of graphene materials in mechanics, electricity, biocompatibility and other aspects, it has great hope to be used as wearable sensor materials, and play an important role in health detection, Internet of things and other fields. This paper summarizes the characteristics of graphene materials and the development and application of wearable sensors, expounds the advantages of graphene materials in wearable sensors, and introduces the application status of graphene materials in temperature sensing, heart rate monitoring and motion monitoring in detail. Then the bottleneck of graphene materials in wearable sensors and the problems to be solved are analyzed. Finally, the development prospect of graphene materials in wearable sensors is prospected, in order to provide some improvement ideas and future research directions. In conclusion, this paper provides an important reference for the further development of this field by studying the application status and bottleneck of graphene materials in wearable sensors.
本文研究了石墨烯材料在可穿戴传感器中的应用现状。由于石墨烯材料在力学、电学、生物相容性等方面具有优异的性能,很有希望用作可穿戴传感器材料,在健康检测、物联网等领域发挥重要作用。本文总结了石墨烯材料的特点和可穿戴传感器的发展应用,阐述了石墨烯材料在可穿戴传感器中的优势,详细介绍了石墨烯材料在温度传感、心率监测和运动监测中的应用现状。然后分析了石墨烯材料在可穿戴传感器中的应用瓶颈和亟待解决的问题。最后,展望了石墨烯材料在可穿戴传感器中的发展前景,以期提供一些改进思路和未来的研究方向。总之,本文通过研究石墨烯材料在可穿戴传感器中的应用现状和瓶颈,为该领域的进一步发展提供了重要参考。
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引用次数: 0
Progress of rare earth europium complexes in the field of temperature luminescence sensing 稀土铕配合物在温度发光传感领域的研究进展
Yiyang Zhang
Rare earth luminescent complex materials, its unique 4f-4f electronic transition, which shows excellent luminous performance, especially the europium complex materials, with temperature dependent luminescent performance of europium complex can achieve high sensitivity, high efficiency of temperature sensing process, can be applied to environmental engineering, energy technology and other fields of temperature measurement and monitoring. This review introduces the research progress of europium complex in temperature luminescence sensing system, summarizes the complex material category and analyzes the influencing factors of temperature response sensitivity, further summarizes the vibration relaxation and energy transfer, and introduces the preparation of europium EVA composite complex and research results in crystal silicon solar cells, for the study of lanthanide metal complexes temperature sensing performance, in order to open the door to the practical application of such materials.
稀土发光络合材料,其独特的4f-4f电子跃迁,表现出优异的发光性能,尤其是铕络合材料,具有温度依赖性发光性能的铕络合物可实现高灵敏度、高效率的温度传感过程,可应用于环境工程、能源技术等领域的温度测量与监测。本综述介绍了铕络合物在温度发光传感系统中的研究进展,总结了络合物的材料类别并分析了温度响应灵敏度的影响因素,进一步总结了振动弛豫与能量传递,并介绍了铕EVA复合络合物的制备及在晶体硅太阳能电池中的研究成果,为研究镧系金属络合物的温度传感性能提供了参考,以期为此类材料的实际应用打开大门。
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引用次数: 0
Support Vector Machine and Hidden Markov Model in Name Entity Recognition of Natural Language Processing 支持向量机和隐马尔可夫模型在自然语言处理的名称实体识别中的应用
Jiaheng Li
This paper illustrates a comparison between the Hidden Markov Model and the Support Vector Machine, two important methodologies and tools, used in Natural Language Processing. Breaking down the model formulations of each, this paper first describes the mathematical motivations behind their applications in NLP. The mathematical motivations will be discussed through formulas, ideas, and examples. Then, this paper applies two real pre-established algorithms, one for each model, as examples to further rationalize their unique characteristics, similarities, and differences. These aspects will be broken down further into algorithmic efficiency, effectiveness, and other factors. Based on their performances analyzed through each factor, specific toolkits will be proposed, explained, and tested to optimize the test results, as the improving method. Some examples of toolkits include YamCha, TinySVM, etc. Overall, Name Entity Recognition involves different methodologies, and SVM and HMM, which represent two leading areas of NLP research, can best describe future trends and current situations.
本文比较了隐马尔可夫模型和支持向量机这两种用于自然语言处理的重要方法和工具。本文首先介绍了这两种模型在 NLP 中应用背后的数学动机。本文将通过公式、观点和示例来讨论数学动机。然后,本文将以两个预先建立的真实算法为例,进一步说明它们的独特性、相似性和差异性。这些方面将进一步细分为算法效率、有效性和其他因素。在通过每个因素分析其性能的基础上,将提出、解释和测试具体的工具包,以优化测试结果,作为改进方法。这些工具包包括 YamCha、TinySVM 等。总之,名称实体识别涉及不同的方法,而 SVM 和 HMM 作为 NLP 研究的两个领先领域,最能说明未来的趋势和现状。
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引用次数: 0
Deep Learning for Accurate, Efficient, Economical, and ConsistentCancer Diagnosis Compared to Traditional Biopsy 与传统活检相比,深度学习可实现准确、高效、经济和一致的癌症诊断
Jiahong Lin
Early and precise cancer diagnosis is essential for enhancing the effectiveness of treatments. Traditional biopsy techniques, while reliable, are often time-consuming and economically inefficient. Furthermore, variations in diagnostic assessments among physicians introduce additional uncertainty in outcomes. This paper investigates the application of machine learning (ML) and deep learning (DL) methods to improve diagnostic accuracy and efficiency. It evaluates the advantages and disadvantages of feature-based versus image-based diagnostic approaches and introduces a new diagnostic workflow named AIStain. This workflow encompasses two pathways: one involving feature extraction followed by classical machine learning techniques, and the other using convolutional neural networks (CNNs) for deep learning analysis. Our analysis demonstrates that integrating machine learning can significantly enhance diagnostic speed, reduce costs, and improve consistency across evaluations without compromising accuracy. By leveraging advanced computational techniques, this approach aims to standardize cancer diagnostics and reduce the dependency on subjective human evaluation, potentially transforming cancer diagnosis practices.
早期精确的癌症诊断对于提高治疗效果至关重要。传统的活检技术虽然可靠,但往往费时费力,经济效益不高。此外,医生之间诊断评估的差异也给结果带来了额外的不确定性。本文研究了机器学习(ML)和深度学习(DL)方法在提高诊断准确性和效率方面的应用。它评估了基于特征的诊断方法与基于图像的诊断方法的优缺点,并介绍了一种名为 AIStain 的新诊断工作流程。该工作流程包括两种途径:一种涉及特征提取,然后是经典的机器学习技术;另一种使用卷积神经网络(CNN)进行深度学习分析。我们的分析表明,整合机器学习可以显著提高诊断速度、降低成本,并在不影响准确性的情况下提高评估的一致性。通过利用先进的计算技术,这种方法旨在实现癌症诊断标准化,减少对人类主观评价的依赖,从而有可能改变癌症诊断实践。
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引用次数: 0
Research on the Application Strategy and Sustainable Development of the Qinghai-Tibet Railway from the Perspective of World Heritage Sites 世界遗产地视角下的青藏铁路申遗策略与可持续发展研究
Yufei Wang
This article focuses on railways, and from the perspective of World Heritage sites, uses the Ovi Interactive Map to summarize the overview and construction difficulties along the Qinghai-Tibet Railway in China. We select railway linear heritage sites from around the world, conduct comparative research with the Qinghai-Tibet Railway in terms of geographical location, selection criteria, diversity and protection of natural and cultural landscapes along the line, and ultimately propose a sustainable development model for the Qinghai-Tibet Railway from the perspective of heritage tourism, and explore the possibility of applying for World Heritage on the Qinghai-Tibet Railway.
本文以铁路为主线,从世界遗产地的角度出发,利用奥维互动地图总结了中国青藏铁路沿线的概况和建设难点。选取世界各地的铁路线遗产地,从地理位置、选择标准、多样性以及沿线自然和人文景观的保护等方面与青藏铁路进行比较研究,最终从遗产旅游的角度提出青藏铁路的可持续发展模式,并探讨青藏铁路申报世界遗产的可能性。
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引用次数: 0
An Optimized Hybrid ARIMA-GARCH Model Application on RR Interval Time Series Prediction for Heart Disease 优化的混合 ARIMA-GARCH 模型在心脏病 RR 间期时间序列预测中的应用
Sicheng Shu
Heart disease is one of the highest mortality rate diseases worldwide, with arrhythmias frequently serving as a trigger (such as cardiomyopathy) or a complication (such as coronary heart disease) for cardiovascular diseases. Therefore, it is crucial to monitor abnormalities in heart function through the early identification of deviations in heart rate variability (HRV). In modern medical systems, wearable real-time monitoring devices and artificial intelligence are commonly employed to generate electrocardiograms (ECGs) and analyze HRV data. The key to this application lies in making reasonable judgments of HRV data using data mining tools, including multiple linear regression, support vector machine, random forest, or long-short-term memory neural networks. However, these models fail to yield satisfactory results for cardiac rhythm monitoring. Consequently, the paper introduces an optimized hybrid ARIMA-GARCH model to enable heart disease detection and pathological diagnosis, playing a guiding role in personalized treatment and the tracking of the cardiovascular health status of monitored individuals. The proposed model combines data preprocessing using the one-sided Hodrick Prescott filter and parameter tuning based on partitioning-interpolation techniques and Fast Discrete Fourier Transform to fit and predict the RR interval time series. Experimental results indicate that our proposed model exhibits significant advantages in quantitative assessments compared to other models, as it effectively preserves the trend and accounts for high volatility in short-term forward prediction.
心脏病是全球死亡率最高的疾病之一,心律失常常常是心血管疾病的诱因(如心肌病)或并发症(如冠心病)。因此,通过早期识别心率变异性(HRV)偏差来监测心脏功能异常至关重要。在现代医疗系统中,通常采用可穿戴实时监测设备和人工智能来生成心电图(ECG)和分析心率变异数据。这一应用的关键在于利用数据挖掘工具,包括多元线性回归、支持向量机、随机森林或长-短时记忆神经网络,对心率变异数据做出合理判断。然而,这些模型无法为心律监测带来令人满意的结果。因此,本文引入了一个优化的混合 ARIMA-GARCH 模型,以实现心脏病检测和病理诊断,为个性化治疗和跟踪监测者的心血管健康状况发挥指导作用。本文提出的模型结合了使用单边霍德里克-普雷斯科特滤波器进行的数据预处理,以及基于分区插值技术和快速离散傅里叶变换的参数调整,以拟合和预测 RR 间期时间序列。实验结果表明,与其他模型相比,我们提出的模型在定量评估方面具有显著优势,因为它能有效保留趋势,并考虑到短期前瞻预测的高波动性。
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引用次数: 0
Research review on wireless charging technology of new energy electric vehicles 新能源电动汽车无线充电技术研究综述
Zhenghao Yu
With the advancement of science and technology, electric vehicles have become increasingly prevalent as a mode of transportation. The vehicle is equipped with both wired and wireless charging capabilities. However, the latter requires a larger area, which restricts the number of charging opportunities and is incompatible with the growing demand for charging. Consequently, wireless charging will become the dominant method of charging electric vehicles in the future. This study will provide a comprehensive comparison of five main radio power transmission methods, with a particular focus on the in-depth analysis of ICPT and MCRPT systems. It will also discuss strategies to improve the efficiency of the magnetic coupling mechanism and cope with power fluctuations in dynamic charging. Additionally, different power supply modes will be evaluated, with particular emphasis on the efficiency, stability, and cost-effectiveness of the compensated rail supply mode. Finally, this study sought to identify the key research areas for the advancement of wireless charging technology for new energy electric vehicles. It also highlighted the areas that require particular attention in future research.
随着科学技术的进步,电动汽车作为一种交通工具已变得越来越普遍。电动汽车同时具备有线和无线充电功能。然而,后者需要的面积较大,限制了充电机会的数量,与日益增长的充电需求不相适应。因此,无线充电将成为未来电动汽车的主流充电方式。本研究将对五种主要无线电功率传输方法进行全面比较,尤其侧重于对 ICPT 和 MCRPT 系统的深入分析。研究还将讨论提高磁耦合机制效率和应对动态充电中功率波动的策略。此外,还将对不同的供电模式进行评估,特别强调补偿式轨道供电模式的效率、稳定性和成本效益。最后,本研究试图确定新能源电动汽车无线充电技术发展的关键研究领域。它还强调了在未来研究中需要特别关注的领域。
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引用次数: 0
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Science and Technology of Engineering, Chemistry and Environmental Protection
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